21064180

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17851}}^1$

素因数の和:17919

約数の個数: 24

約数和(自身を含む): 44987040

約数和(自身を除く): 23922860

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17851, 35702, 71404, 89255, 178510, 357020, 1053209, 2106418, 4212836, 5266045, 10532090, 21064180]

約数ペア:

[(1, 21064180), (2, 10532090), (4, 5266045), (5, 4212836), (10, 2106418), (20, 1053209), (59, 357020), (118, 178510), (236, 89255), (295, 71404), (590, 35702), (1180, 17851)]